Table 2.

Viral copy number of reinfected ferrets.

NAb titre groups (n)	2dpi	4dpi	6dpi	8dpi	10dpi
	Viral RNA quantitation (log10copies/mL)
Rectal swab
Group1 (n = 4)	1.39 ± 0.15	1.56 ± 0.19	0.72 ± 0.27	0.47 ± 0.18	<0.3
Group2 (n = 6)	1.30 ± 0.20	1.91 ± 0.48	0.44 ± 0.14	<0.3	<0.3
Group3 (n = 4)	1.16 ± 0.32	0.94 ± 0.54	0.43 ± 0.09	<0.3	<0.3
Group4 (n = 4)	0.93 ± 0.10	0.92 ± 0.57	0.35 ± 0.02	<0.3	<0.3
Group5 (n = 4)	0.76 ± 0.80	0.58 ± 0.48	<0.3	<0.3	<0.3

Notes: SARS-CoV-2 spike RNA gene detection limit and viral titre limit were 0.3 log₁₀ copies/mL.